nn4=(document.layers)?true:false;
ie4=(document.all)?true:false;
ie5=navigator.appVersion.indexOf("MSIE 5")>0;

function imgLoader()
{
	firmOut = new Image();
	firmOn = new Image();
	offerOut = new Image();
	offerOn = new Image();	
	serviceOut = new Image();
	serviceOn = new Image();
	orderOut = new Image();
	orderOn = new Image();	
	contactOut = new Image();
	contactOn = new Image();
	pneuOut = new Image();
	pneuOn = new Image();	
	superelastOut = new Image();
	superelastOn = new Image();
	bialeOut = new Image();
	bialeOn = new Image();	
	opaskiOut = new Image();
	opaskiOn = new Image();
	backOut = new Image();
	backOn = new Image();
	upOut = new Image();
	upOn = new Image();
	
	
	firmOut.src = './img/menu/firma.gif';
	firmOn.src = './img/menu/firma_on.gif';
	offerOut.src = './img/menu/oferta.gif';
	offerOn.src = './img/menu/oferta_on.gif';
	serviceOut.src = './img/menu/serwis.gif';
	serviceOn.src = './img/menu/serwis_on.gif';
	orderOut.src = './img/menu/zamowienie.gif';
	orderOn.src = './img/menu/zamowienie_on.gif';
	contactOut.src = './img/menu/kontakt.gif';
	contactOn.src = './img/menu/kontakt_on.gif';
	pneuOut.src = './img/pneu.gif';
	pneuOn.src = './img/pneu_on.gif';
	superelastOut.src = './img/superelas.gif';
	superelastOn.src = './img/superelas_on.gif';
	bialeOut.src = './img/biale.gif';
	bialeOn.src = './img/biale_on.gif';
	opaskiOut.src = './img/opaski.gif';
	opaskiOn.src = './img/opaski_on.gif';
	backOut.src = './img/back.gif';
	backOn.src = './img/back_on.gif';
	upOut.src = './img/up.gif';
	upOn.src = './img/up_on.gif';
}

function setImg(name, nr) 
{
  if (nr == 1) 
  {
    document[name].src = eval(name + "On.src");
  }
  else 
  {
    document[name].src = eval(name + "Out.src"); 
  }
}

function clearlines(a) {
	if(ie4){a.blur()}
}